#18758C#18758C

#18758C is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.2% C 0.088 H 219.4°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#18758C
RGB	rgb(24, 117, 140)
HSL	hsl(192, 71%, 32%)
HSV	hsv(192, 83%, 55%)
CMYK	cmyk(82.9%, 16.4%, 0%, 45.1%)
CIE-LAB	lab(45.37, -17.45, -19.93)
CIE-LCH	lch(45.37, 26.49, 228.80°)
OKLab	oklab(52.2% -0.068 -0.0558)
OKLCH	oklch(52.2% 0.088 219.4)
XYZ	xyz(11.4696, 14.8088, 27.0597)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18758C #8C2F18

analogous

#188C69 #18758C #183B8C

triadic

#18758C #8C1875 #758C18

tetradic

#18758C #69188C #8C2F18 #3B8C18

square

#18758C #69188C #8C2F18 #3B8C18

split-complementary

#18758C #8C183B #8C6918

monochromatic

#061E24 #0F4958 #18758C #21A1C0 #40BFDE

Accessibility & contrast

On white

5.30

#18758C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#18758C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18758C

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18758C	#FFFFFF	#000000	##FFFFFF
##18758C	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728D

Deuteranopia (green-blind)

#58678C

Tritanopia (blue-blind)

#007D7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #18758c;
/* rgb */ color: rgb(24, 117, 140);
/* oklch */ color: oklch(52.2% 0.088 219.4);

Tailwind

colors: {
  custom: {
    50: '#6b9dad',
    500: '#18758c',
    950: '#000000',
  },
}

SCSS

$custom: #18758c;
$custom-light: #6b9dad;
$custom-dark: #000000;

JSON

{
  "hex": "#18758c",
  "rgb": {
    "r": 24,
    "g": 117,
    "b": 140
  },
  "hsl": {
    "h": 191.897,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52199,
    "c": 0.08799,
    "h": 219.4
  },
  "luminance": 0.1481
}

Semantic roles & 50–950 ramp

primary

#18758C

secondary

#BF5A41

accent

#5E3AED

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18758C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →